Year Years 1950 50.695 1951 51.564 1952 53.239 1953 54.789 1954 56.213 1955 57.512 1956 58.682 1957 59.725 1958 60.639 1959 61.42 1960 62.067 1961 62.578 1962 62.958 1963 63.216 1964 63.367 1965 63.433 1966 63.433 1967 63.386 1968 63.308 1969 63.212 1970 63.099 1971 62.963 1972 62.792 1973 62.587 1974 62.357 1975 62.114 1976 61.867 1977 61.635 1978 61.437 1979 61.294 1980 61.25 1981 61.353 1982 61.605 1983 61.983 1984 62.442 1985 62.894 1986 63.233 1987 63.381 1988 63.295 1989 62.976 1990 62.465 1991 61.843 1992 61.217 1993 60.67 1994 60.238 1995 59.92 1996 59.684 1997 59.475 1998 59.26 1999 59.045 2000 58.855 2001 58.728 2002 58.704 2003 58.811 2004 59.056 2005 59.451 2006 59.994 2007 60.654 2008 61.388 2009 62.157 2010 62.912 2011 63.604 2012 64.204 2013 64.695 2014 65.069 2015 65.333 2016 65.511 2017 65.645 2018 65.771 2019 65.907 2020 66.061 2021 66.236 2022 66.418 2023 66.6 2024 66.781 2025 66.962 2026 67.141 2027 67.32 2028 67.5 2029 67.679 2030 67.859 2031 68.039 2032 68.22 2033 68.403 2034 68.586 2035 68.769 2036 68.953 2037 69.136 2038 69.319 2039 69.501 2040 69.683 2041 69.866 2042 70.049 2043 70.234 2044 70.42 2045 70.607 2046 70.795 2047 70.985 2048 71.175 2049 71.365 2050 71.555 2051 71.745 2052 71.934 2053 72.123 2054 72.311 2055 72.499 2056 72.687 2057 72.876 2058 73.065 2059 73.255 2060 73.446 2061 73.639 2062 73.833 2063 74.029 2064 74.226 2065 74.423 2066 74.622 2067 74.82 2068 75.018 2069 75.215 2070 75.412 2071 75.608 2072 75.803 2073 75.998 2074 76.193 2075 76.388 2076 76.582 2077 76.777 2078 76.971 2079 77.163 2080 77.354 2081 77.542 2082 77.727 2083 77.907 2084 78.084 2085 78.256 2086 78.426 2087 78.594 2088 78.76 2089 78.924 2090 79.087 2091 79.247 2092 79.404 2093 79.557 2094 79.705 2095 79.848 2096 79.987 2097 80.12 2098 80.248 2099 80.371